Target intelligence / Profile preview

Somatotropin Receptor (GHR)

Target
GHR
Molecular classification
Receptor, Transmembrane Receptor, Type I cytokine receptor
01

Overview

The somatotropin receptor/GH receptor is essential for mediating both direct actions of GH on target cells—such as stimulating linear bone growth—and indirect actions via induction of IGF-I. Its activation triggers multiple intracellular signaling cascades critical for normal postnatal development and metabolic regulation. Dysfunction leads primarily to impaired statural growth but can also affect metabolism broadly due to its role in lipid/glucose homeostasis.

Other names
Growth Hormone ReceptorGH Receptor
02

Mechanism of action

Agonist or antagonist binding modulates receptor dimerization and downstream JAK/STAT and MAPK/ERK signaling pathways.

03

Biological functions

Signal transductionCell proliferationCell differentiationPostnatal body growthIGF-I production
04

Disease associations

DwarfismLaron SyndromeGrowth disordersMetabolic disorders
05

Safety considerations

Antibody development against growth hormoneInsulin resistanceEdemaJoint painIncreased risk of certain cancers (controversial)
06

Interacting drugs

Growth Hormone

2 more in the full profile.

07

Biomarkers

IGF-I levelsGrowth hormone levelsGHR mutations

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